Chris Hadfield's AMA From Orbit

In February 2013, Canadian astronaut Chris Hadfield, then aboard the International Space Station, conducted a Reddit 'Ask Me Anything' while physically in orbit, logging on via a satellite relay to a server in Houston. He had already done a pre-flight AMA the previous December, but the from-orbit session, posted February 17, 2013, became one of the top AMA threads of all time. Hadfield had launched aboard Soyuz TMA-07M on December 19, 2012 as part of Expedition 35, and in March 2013 became the first Canadian to command the ISS.

What made the session land was the substance and warmth of the answers. Asked the scariest thing he had seen in space, Hadfield wrote: "I watched a large meteorite burn up between me and Australia, and to think of that hypersonic dumb lump of rock randomly hurtling into us instead sent a shiver up my back." On risk: "The biggest danger is launch - all that power and acceleration." Earth at night, he wrote, "looks like a carpet of countless tiny perfect unblinking lights in endless velvet, with the Milky Way as a glowing area of paler texture." His advice to aspiring astronauts was practical: "To be an astronaut you have to be healthy (eat your greens and exercise), smart (do your homework), and trustworthy (do your jobs well). Then you get the suit and rocket."

The AMA sat inside a deliberate outreach effort. Hadfield enlisted his son Evan to manage his social media presence, the two working in tandem to share both the scientific and the mundane sides of astronaut life, and Forbes described him as "perhaps the most social media savvy astronaut ever to leave Earth." On May 12, 2013, after handing over command of the station, he released a music video recorded on the ISS of a modified rendition of David Bowie's 'Space Oddity,' which has drawn more than 56 million views on YouTube.

Hadfield returned to r/IAmA on December 4, 2013, introducing himself as "recently back from 5 months on the Space Station" and describing life after "3 spaceflights and 21 years in the Astronaut Corps." He told one questioner a one-way trip to Mars was "maybe, depending who was with me," at one point reversed the format entirely, asking readers, "Why do you think that version of Space Oddity was so popular? I've been thinking about it some," and signed off with "Goodnight from Toronto!"

Within an archive otherwise dominated by harms and failures, the Hadfield AMAs stand as a documented positive benchmark: genuine engagement rather than promotion, and the standard against which poorly received sessions such as Morgan Freeman's terse 2013 AMA or Jesse Jackson's hostile 2015 appearance are frequently measured.